National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Alturas (KAAT)

Lat: 41.48362°NLon: 120.5615°WElev: 4383.0ft.

Clear

84°F

29°C

Humidity 15%
Wind Speed W 11 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 07:35 PM PDT
Extended Forecast for

12 Miles NW Canby CA

Fire Weather Watch August 21, 02:00pm until August 21, 09:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Tonight

    Tonight: Clear, with a low around 54. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 88. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. West southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. West southwest wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 54. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Thursday
Increasing clouds, with a high near 88. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 56. West southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 86. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 52. West southwest wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 47.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NW Canby CA
 41.54°N 121.05°W (Elev. 4895 ft)
Last Update:
4:40 pm PDT Aug 19, 2026
Forecast Valid:
7pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation